PromSolver Class Reference

class PromSolver - base solver object More...

#include <prometheus.hh>

Collaboration diagram for PromSolver:

[legend]List of all members.

Public Member Functions
	PromSolver (const PromOptions &opts, PromPerfMonitor &perf, const PromMap &map, const PromMap *const pmap=NULL)
	normal constructor
	PromSolver (PromSolver *const solver)
	shallow copy constructor constructor -- for 'post' smoother
	~PromSolver ()
	destructor
int	SetPC (PromPC_base *const pc, const PromMatrix_base *AA)
int	PrintInfo (const int nactivep, const int lev=-1) const
int	SetUp ()
int	KSPMult (const PromMatrix_base *const A, const PromVector_base *const XX, PromVector_base *const YY) const
	Mult: v2 = (I - P) A (I - P) * v1.
int	SetTolerances (const int maxits, double rtol=-1., double atol=-1., double dtol=-1.)
int	SetGMRESRestart (int kmax)
int	SetNewPVec (const PromMap &map)
int	SetKSPType (PromKSPType type)
PromKSPType	getKSPType () const
int	SetKSP (const int maxit, const char *const prestring=NULL, const char *const ksp_string=NULL)
int	SetRTol (double tol)
double	getRTol () const
double	getATol () const
int	nEig () const
int	SetNEig (int nn)
bool	computeSVD () const
int	SetComputeSVD ()
int	ComputeExtremeSVD (int nits, double &emax, double &emin)
int	SolveGMRES (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveRichardson (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveBCGS (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveCR (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveBrez (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveCheb (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveCG (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_RIGHT)
int	SolveTFQMR (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_LEFT)
int	SolveSYMMLQ (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_LEFT)
int	SolveMINRES (const PromVector_base *const, PromVector_base *const, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE, const PromPCSide=PROM_LEFT)
int	CreatePC (PromPCType type, const PromVector_base *const v)
int	MakePC (PromGrid *const grid, int &nblocks, PromIS *&blockISs, bool &kspset, const PromVector *const xx, const char *const prestring=NULL, const char *const pcname=NULL)
int	SetOperator (const PromMatrix_base *const A)
int	SetNewOperator (const PromMatrix_base *const A)
int	SetOperator_private (const PromMatrix_base *const A)
int	PromPCApplyBAorAB (const PromMatrix_base *const Amat, PromPC_base *const pc, const PromPCSide pc_side, const PromVector_base *const xx, PromVector_base *const dest, PromVector_base *const zz) const
int	Solve (const PromVector_base *const bb, PromVector_base *const xx, int *its, const bool zeroguess=TRUE, const bool avoidnorms=FALSE)
Public Attributes
PromPC_base *	pc_
const PromMatrix_base *	A_
PromVector_base **	work_
const PromMap &	map_
const PromMap *const	p_map_
PromProjKKTSolver *	projector_
short int	verbose_
PromSolver::prom_history	history_
Static Public Attributes
const char *const	PromKSPStrings [PROMNUMKSP] = {"GMRES","Richardson","BCGS","CR","TFQMR","PC only","CG","Chebychev", "Brezina", "FGMRES", "SYMMLQ", "MINRES"}
Protected Member Functions
int	TestSymmMA (const PromMatrix_base *const Amat, PromPC_base *const pc, PromVector_base *const Z, PromVector_base *const P, PromVector_base *const R) const
int	Monitor (const int it, const double dp)
int	converged (double r0, double r)
Protected Attributes
PromSolver *	alias_
const PromOptions &	options_
PromPerfMonitor &	perf_mon_
float	rtol_
float	dtol_
float	atol_
const bool	alloced_
short int	nwork_
short int	cg_restart_
PromSolver::prom_double_complex	origin_
PromSolver::prom_double_complex	d_
PromSolver::prom_double_complex	hes_
PromSolver::prom_double_complex	dd_
PromSolver::prom_double_complex	ee_
PromKSPType	ksp_type_
short int	nEig_
short int	maxits_
Private Member Functions
int	ComputeExtremeSVD_cg (int nn, double &emax, double &emin)
int	ComputeExtremeSVD_gmres (int n, double &emax, double &emin)
int	ResidualGMRES (const PromPCSide pc_side, const PromVector_base *const xx, PromVector_base *const vv_0, const PromVector_base *const binvf, PromVector_base *const temp)
int	CycleGMRES (const PromPCSide pc_side, const PromVector_base *const bb, PromVector_base *const xx, int *reason, int *itcount, double *rnorm0, const bool avoidnorms)
int	UpdateGMRESHessenberg (const int it, bool hapend, double *res)
int	BuildGMRESSoln (const PromPCSide pc_side, double *nrs, PromVector_base *vdest, const int it, const PromVector_base *const *vv_0, PromVector_base *const temp)
int	ModifiedGramSchmidtOrthogonalization (const int it)
int	UnmodifiedGramSchmidtOrthogonalization (const int it)
int	TwoUnmodifiedGramSchmidtOrthogonalization (const int it)
int	PromResidual (const PromPCSide pc_side, const bool zerox, PromVector_base *vsoln, PromVector_base *vt1, PromVector_base *vt2, PromVector_base *vres, PromVector_base *vbinvf, const PromVector_base *const vb)
int	SandwPre (const double omV[], const int deg, PromPC_base *const pc, const PromMatrix_base *const Amat, PromVector_base *const xx, PromVector_base *const yy, PromVector_base *const work) const
int	SandwPost (const double omV[], const int deg, PromPC_base *const pc, const PromMatrix_base *const Amat, PromVector_base *const xx, PromVector_base *const yy, PromVector_base *const work) const
int	BrezParameters (const PromMatrix_base *const AA, double &mlsOver, double &mlsCf, double &mlsOm, double &mlsOm2)

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Detailed Description

class PromSolver - base solver object

Krylov methods owns PC object

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Member Function Documentation

int PromSolver::ComputeExtremeSVD_cg (  int  nn, double &  emax, double &  emin )  [private]

copy tridiagonal matrix to work space

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The documentation for this class was generated from the following files:

• prometheus.hh
• agg_smooth.C
• prom_kkt.C
• prom_solv.C

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